Blood collecting tube



FIG. 1 is a top and front perspective view of a blood collecting tube showing our new design;

FIG. 2 is a front elevational view thereof;

FIG. 3 is a left side elevational view thereof, a right side elevational view being a mirror image of the left;

FIG. 4 is a rear elevational view thereof;

FIG. 5 is a top plan view thereof; and,

FIG. 6 is a bottom plan view thereof. 

The ornamental design for a blood collecting tube, as shown and described. 